U.S. Air Force Airman 1st Class Joseph Perez, 18th Equipment Maintenance Squadron aerospace ground equipment journeyman, inspects an Air Conditioning Equipment 808 air conditioner Aug. 24, 2020, at Kadena Air Base, Japan. Perez and other members of the 18th EMS maintain various pieces of heavy equipment that are needed for aircraft maintenance and flight line operations. (U.S. Air Force photo by Staff Sgt. Peter Reft)